Will the rf for the solute benearly one
A paper chromatograph is run for a solute that has a strong affinity for the solvent , and very little affinity for the paper. when properly developed, will the Rf for the solute benearly one , nearly zero, or about one -half ? Explain.
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Find , the coefficient of static friction between the rod and the rails.
A 1.0-cm-diameter microscope objective has a focal length of 2.8 mm. It is used in visible light with a wavelength of 550 mm. A. What is the objective's resolving power if used in air?
What is the displacement (magnitude and direction) of the 2nd airport from the 1st airport? Roud your final answers to 3 decimal places.
When a dislocation passes right through a crystal slip equal to a lattice spacing occurs. Estimate the number of dislocations on the (111) plane which would be needed to produce 5% plastic deformation in an aluminium specimen 1cm long (for Al the
The energy of formation of a vacancy in copper is 1eV. what is approximate relative change in the density of copper due to vacancy formation at a temperature just below its melting point (1356K)
You spent a lot of time during this unit working with linear functions. For which of the following situations would a linear function be a reasonable choice for a mathematical model?
A 1.45 g sample of phosphorus burns in air and forms 2.57 g of a phosphorus oxide. Calculate the empirical formula of the oxide. Express your answer as a chemical formula.
What is the approximate yield strength of a copper silica alloy which has spherical precipitates of silica of average radius 100 nm. The volume fraction of silica is 1%, the shear modulus is 4.2 × 10^10 Nm-2 and the Burgers' vector is 0.26nm
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